Dr. Parra is faculty at the Department of Neurosurgery and Director of the Neuroscience ICU at UTHSCSA. Prior to his academic appointment at UTHSCSA, Dr. Parra held several academic appointments in the Departments of Neurology and Neurosurgery at the Medical College of Pennsylvania, and Columbia University, College of Physicians and Surgeons were he holds an adjunct academic position in the Department of Neurology